Full Speed Ahead Gradient Alloy Riser Handlebar – Aluminum 31.8mm Clamp 40mm Rise 800mm Black. The redesigned Gradient Alloy Riser Handlebar features sleek black-on-black graphics inspired by FSAs iconic three stripes keeping gravity performance at the core. After years of development rigorous testing and collaboration with world-class athletes like the Atherton Team this range sets a new benchmark in strength lightness and total control. The Gradient Alloy Riser Handlebar is ready to tackle the toughest terrains with maximum precision and durability.